参数资料
型号: AT89C51IC2-SLRUM
厂商: Atmel
文件页数: 36/140页
文件大小: 0K
描述: IC 8051 MCU 32K FLASH 44-PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 500
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 34
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 标准包装
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
其它名称: AT89C51IC2-SLRUMDKR
130
AT89C51IC2
4301D–8051–02/08
DC Parameters for Low
Voltage
TA = 0°C to +70°C; VSS = 0V; VCC = 2.7V to 3.6V; F = 0to 48 MHz
TA = -40°C to +85°C; VSS = 0V; VCC = 2.7V to 3.6V; F = 0 to 48 MHz
Notes:
1. Operating ICC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns (see Figure 56.), VIL =
VSS + 0.5V,
VIH = VCC - 0.5V; XTAL2 N.C.; EA = RST = Port 0 = VCC. ICC would be slightly higher if a crystal oscillator used (see Figure
2. Idle ICC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns, VIL = VSS + 0.5V, VIH = VCC -
0.5V; XTAL2 N.C; Port 0 = VCC; EA = RST = VSS (see Figure 54).
3. Power Down ICC is measured with all output pins disconnected; EA = VSS, PORT 0 = VCC; XTAL2 NC.; RST = VSS (see Fig-
4. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the VOLs of ALE and Ports 1
and 3. The noise is due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins make 1 to 0
transitions during bus operation. In the worst cases (capacitive loading 100pF), the noise pulse on the ALE line may exceed
0.45V with maxi VOL peak 0.6V. A Schmitt Trigger use is not necessary.
5. Typical are based on a limited number of samples and are not guaranteed. The values listed are at room temperature and
5V.
6. Under steady state (non-transient) conditions, IOL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum IOL per 8-bit port:
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total IOL for all output pins: 71 mA
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIL
Input Low Voltage
-0.5
0.2 VCC - 0.1
V
VIH
Input High Voltage except RST, XTAL1
0.2 VCC + 0.9
VCC + 0.5
V
VIH1
Input High Voltage, RST, XTAL1
0.7 VCC
VCC + 0.5
V
VOL
Output Low Voltage, ports 1, 2, 3, 4(6)
0.45
V
IOL = 0.8 mA
(4)
VOL1
Output Low Voltage, port 0, ALE, PSEN (6)
0.45
V
IOL = 1.6 mA
(4)
VOH
Output High Voltage, ports 1, 2, 3, 4
0.9 VCC
V
IOH = -10 A
VOH1
Output High Voltage, port 0, ALE, PSEN
0.9 VCC
V
IOH = -40 A
IIL
Logical 0 Input Current ports 1, 2, 3, 4
-50
A
VIN = 0.45 V
ILI
Input Leakage Current for P0 only
±
10
A
0.45V < VIN < VCC
ITL
Logical 1 to 0 Transition Current, ports 1, 2, 3,
-650
A
VIN = 2.0V
RRST
RST Pulldown Resistor
50
200 (5)
250
k
C
IO
Capacitance of I/O Buffer
10
pF
Fc = 3 MHz
TA = 25°C
IPD
Power Down Current
10 (5)
50
A
V
CC = 2.7V to
3.6V(3)
I
CCOP
Power Supply Current on normal mode
0.4 x Frequency (MHz) + 5
mA
V
CC = 3.6 V
(1)
I
CCIDLE
Power Supply Current on idle mode
0.3 x Frequency (MHz) + 5
mA
V
CC = 3.6 V
(2)
I
CCProg
Power Supply Current during flash Write / Erase
0.4 x
Frequency
(MHz) +
20
mA
V
CC = 5.5V
(8)
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